package com.imsl.test.example.math;

import com.imsl.math.*;

/**
 * <p>
 * Computes the eigenvalues and eigenvectors of a complex matrix.</p>
 *
 * @see <a href="ComplexEigenEx1.java">Code</a>
 * @see <a href="doc-files/ComplexEigenEx1.out">Output</a>
 */
public class ComplexEigenEx1 {

    public static void main(String args[])
            throws ComplexEigen.DidNotConvergeException {
        Complex a[][] = {
            {new Complex(5.0, 9.0), new Complex(5.0, 5.0),
                new Complex(-6.0, -6.0), new Complex(-7.0, -7.0)},
            {new Complex(3.0, 3.0), new Complex(6.0, 10.0),
                new Complex(-5.0, -5.0), new Complex(-6.0, -6.0)},
            {new Complex(2.0, 2.0), new Complex(3.0, 3.0),
                new Complex(-1.0, 3.0), new Complex(-5.0, -5.0)},
            {new Complex(1.0, 1.0), new Complex(2.0, 2.0),
                new Complex(-3.0, -3.0), new Complex(0.0, 4.0)}
        };

        ComplexEigen eigen = new ComplexEigen(a);
        eigen.solve(true);
        new PrintMatrix("Eigenvalues").print(eigen.getValues());
        new PrintMatrix("Eigenvectors").print(eigen.getVectors());
    }
}